US3444479A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for producing a frequency modulated laser beam
Assignee: GTE Sylvania Inc
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Filing: 1965-02-02
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Granted: 1969-05-13
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Expires: 1985-02-02
Abstract
No abstract record available.
Inventors
- 👤 Stephen E Harris
- 👤 Russell Targ
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:34
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/10; H01S3/106; H01S3/107
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
APPARATUS FOR PRODUCING A LASER BEAM WITH FREQUENCY MODULATION SIDEBANDS COMPRSING: A LASER OSCILLATOR HAVING AN OPTICAL CAVITY OF PREDETERMINED OPTICAL LENGTH L AND CHARACTERIZED BY BEING CAPABLE OF OSCILLATING IN A PLURALITY OF INDEPENDENT CAVITY MODES SAID CAVITY MODES HAING AN AVERAGE FREQUENCY SPACING WM EQUAL TO
Claim 2
Dependent Claim
48 words
APPARATUS FOR PRODUCING A LASER BEAM WITH FREQUENCY MODULATION SIDEBANDS COMPRSING: A LASER OSCILLATOR HAVING AN OPTICAL CAVITY OF PREDETERMINED OPTICAL LENGTH L AND CHARACTERIZED BY BEING CAPABLE OF OSCILLATING IN A PLURALITY OF INDEPENDENT CAVITY MODES SAID CAVITY MODES HAING AN AVERAGE FREQUENCY SPACING WM EQUAL TO
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-12 | 1972-11-11 | 1973-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-12 | 1976-11-11 | 1977-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-12 | 1980-11-11 | 1981-05-13 | $7700.00 | Window Closed / Lapsed |